Narrow bandwidth 850-nm fiber Bragg gratings in few-mode polymer optical fibers

Alessio Stefani; Wu Yuan; Christos Markos; Ole Bang

doi:10.1109/LPT.2011.2125786

Narrow bandwidth 850-nm fiber Bragg gratings in few-mode polymer optical fibers

Alessio Stefani, Wu Yuan, Christos Markos, Ole Bang

School of Medicine

Research output: Contribution to journal › Article › peer-review

78 Scopus citations

Abstract

We report on the inscription and characterization of narrow bandwidth fiber Bragg gratings (FBGs) with 850-nm resonance wavelength in polymer optical fibers (POFs). We use two fibers: an in-house fabricated microstructured POF (mPOF) with relative hole size of 0.5 and a commercial step-index POF, which supports six modes at 850 nm. The gratings have been written with the phase-mask technique and a 325-nm HeCd laser. The mPOF grating has a full-width at half-maximum (FWHM) bandwidth of 0.29 nm and the step-index POF has a bandwidth of 0.17 nm. For both fibers, the static tensile strain sensitivity is measured to be 0.71 pm/με at 850 nm and 1.3 pm/με at 1550 nm.

Original language	English (US)
Article number	5728843
Pages (from-to)	660-662
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	23
Issue number	10
DOIs	https://doi.org/10.1109/LPT.2011.2125786
State	Published - 2011

Keywords

Fiber Bragg grating (FBG)
fiber-optic sensors
polymer optical fiber

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2011.2125786

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title = "Narrow bandwidth 850-nm fiber Bragg gratings in few-mode polymer optical fibers",

abstract = "We report on the inscription and characterization of narrow bandwidth fiber Bragg gratings (FBGs) with 850-nm resonance wavelength in polymer optical fibers (POFs). We use two fibers: an in-house fabricated microstructured POF (mPOF) with relative hole size of 0.5 and a commercial step-index POF, which supports six modes at 850 nm. The gratings have been written with the phase-mask technique and a 325-nm HeCd laser. The mPOF grating has a full-width at half-maximum (FWHM) bandwidth of 0.29 nm and the step-index POF has a bandwidth of 0.17 nm. For both fibers, the static tensile strain sensitivity is measured to be 0.71 pm/με at 850 nm and 1.3 pm/με at 1550 nm.",

keywords = "Fiber Bragg grating (FBG), fiber-optic sensors, polymer optical fiber",

author = "Alessio Stefani and Wu Yuan and Christos Markos and Ole Bang",

note = "Funding Information: Manuscript received August 25, 2010; revised November 08, 2010; accepted February 27, 2011. Date of publication March 10, 2011; date of current version May 04, 2011. This work was supported by the Danish National Advanced Technology Foundation. A. Stefani, W. Yuan, and O. Bang are with DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark (e-mail: alste@fotonik.dtu.dk). C. Markos is with the Department of Computer Engineering and Informatics, University of Patras, 26500, Patra, Greece. Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2011.2125786",

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AU - Markos, Christos

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N1 - Funding Information: Manuscript received August 25, 2010; revised November 08, 2010; accepted February 27, 2011. Date of publication March 10, 2011; date of current version May 04, 2011. This work was supported by the Danish National Advanced Technology Foundation. A. Stefani, W. Yuan, and O. Bang are with DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark (e-mail: alste@fotonik.dtu.dk). C. Markos is with the Department of Computer Engineering and Informatics, University of Patras, 26500, Patra, Greece. Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2011.2125786

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N2 - We report on the inscription and characterization of narrow bandwidth fiber Bragg gratings (FBGs) with 850-nm resonance wavelength in polymer optical fibers (POFs). We use two fibers: an in-house fabricated microstructured POF (mPOF) with relative hole size of 0.5 and a commercial step-index POF, which supports six modes at 850 nm. The gratings have been written with the phase-mask technique and a 325-nm HeCd laser. The mPOF grating has a full-width at half-maximum (FWHM) bandwidth of 0.29 nm and the step-index POF has a bandwidth of 0.17 nm. For both fibers, the static tensile strain sensitivity is measured to be 0.71 pm/με at 850 nm and 1.3 pm/με at 1550 nm.

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Narrow bandwidth 850-nm fiber Bragg gratings in few-mode polymer optical fibers

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